<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="班级名" prop="coursename">
        <el-input
          v-model="queryParams.claName"
          placeholder="请输入班级名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学生姓名" prop="studentName">
        <el-input
          v-model="queryParams.studentName"
          placeholder="请输入学生"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>


      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>



    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="chooseCourse"
          v-hasPermi="['system:scStudentCourse:add']"
        >新增</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:scStudentCourse:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:scStudentCourse:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="scStudentCourseList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="学生名" align="center" prop="studentName" />
      <el-table-column label="课程" align="center" prop="courseName" />
      <el-table-column label="班级" align="center" prop="claName" />
      <el-table-column label="总课时" align="center" prop="totalHour" />
      <el-table-column label="剩余课时" align="center" prop="balanceHour" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">

          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:scStudentCourse:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />


    <order-choose-course ref="orderChooseCourse"  @chooseComplete="chooseCourseComplete" />
  </div>

</template>

<script>
import { listScStudentCourse, getScStudentCourse, delScStudentCourse, addScStudentCourse, updateScStudentCourse } from "@/api/system/scStudentCourse";
import studentSelect from '@/components/Student/studentSelect'
import {getStudent}  from '@/api/system/student'
import orderChooseCourse from '@/components/course/orderChooseCourse'
export default {
  components:{
    studentSelect,
    orderChooseCourse,
  },
  name: "ScStudentCourse",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 报名系统表格数据
      scStudentCourseList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      orderForm: {
        balancePayValue: 0,
        orderTag: [],
        saleSourceTag: [],
        handleDate: ''
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        studentName: null,
        claName:null,
      },
      // 表单参数
      form: {

      },
      // 表单校验
      rules: {
        studentName: [
          { required: true, message: "学生名不能为空", trigger: "blur" }
        ],
        studentId: [
          { required: true, message: "学生不能为空", trigger: "blur" }
        ],
        courseId: [
          { required: true, message: "课程不能为空", trigger: "blur" }
        ],
        courseName: [
          { required: true, message: "课程不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {


    // 选择课程完毕
    chooseCourseComplete({ selection }) {


      addScStudentCourse(selection).then(response => {
        this.$modal.msgSuccess("新增成功");
        this.$refs.orderChooseCourse.open = false
        this.getList();


      });

    },


    // 选择课程
    chooseCourse() {
      this.$refs.orderChooseCourse.open = true
      this.$refs.orderChooseCourse.chooseCourseIdList = this.chooseCourseIdList
      // this.$refs.orderChooseCourse.initData()
    },

    handleStudentChange(val){
      this.form.studentId=val
      getStudent(val).then(response => {
       this.form.studentName=response.data.name


      })


    },
    /** 查询报名系统列表 */
    getList() {
      this.loading = true;
      listScStudentCourse(this.queryParams).then(response => {
        this.scStudentCourseList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        studentCourseId: null,
        studentName: null,
        studentId: null,
        courseId: null,
        courseName: null,
        claId: null,
        claName: null,
        totalHour: null,
        balanceHour: null,
        createUser: null,
        createTime: null,
        lastUpdateUser: null,
        lastUpdateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.studentCourseId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },

    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加报名系统";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const studentCourseId = row.studentCourseId || this.ids
      getScStudentCourse(studentCourseId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改报名系统";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.studentCourseId != null) {
            updateScStudentCourse(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addScStudentCourse(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const studentCourseIds = row.studentCourseId || this.ids;
      this.$modal.confirm('是否确认删除报名系统编号为"' + studentCourseIds + '"的数据项？').then(function() {
        return delScStudentCourse(studentCourseIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/scStudentCourse/export', {
        ...this.queryParams
      }, `scStudentCourse_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
